Laser cooling silica: current status and future prospects

Brian Topper; Alexander Neumann; Alexander R. Albrecht; Angel S. Flores; Stefan Kuhn; Denny Häßner; Sigrun Hein; Christian Hupel; Johannes Nold; Nicoletta Haarlammert; Thomas Schreiber; Mansoor Sheik-Bahae; Arash Mafi

doi:10.1117/12.2655228

15 March 2023 Laser cooling silica: current status and future prospects

Brian Topper, Alexander Neumann, Alexander R. Albrecht, Angel S. Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, Arash Mafi

Author Affiliations +

Proceedings Volume 12437, Photonic Heat Engines: Science and Applications V; 1243703 (2023) https://doi.org/10.1117/12.2655228
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Recent years have seen silica emerge as a viable material for optical refrigeration with potential applications in directed energy, integrated photonics, and precision metrology. Proper characterization of potential composition profiles is vital for optimization. Here, static photoluminescence spectroscopy of a Yb, Al co-doped silica sample over the temperature range 80 K to 300 K reveals the emission lineshape is dependent on the excitation wavelength. The impact this has on extracted laser cooling parameters is discussed.

Conference Presentation

Citation Download Citation

Brian Topper, Alexander Neumann, Alexander R. Albrecht, Angel S. Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, and Arash Mafi "Laser cooling silica: current status and future prospects", Proc. SPIE 12437, Photonic Heat Engines: Science and Applications V, 1243703 (15 March 2023); https://doi.org/10.1117/12.2655228

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